# 26 Kleber alternatives in 2026

Last updated: November 8, 2026.

Kleber alternatives for email verification APIs. Enrich.so, Giggal and HiProspect have free plans. Kleber's website is datatools.com.au.

## Email verification API alternatives

On our [Kleber plan pages](https://datacircle.dev/validate-email-apis/kleber/free), we compare each Kleber plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 emails first.

- [Enrich.so, free, POST /email-validation](https://datacircle.dev/validate-email-apis/enrich-so/free): $0.00 per 1,000 emails
- [Giggal, free trial, POST /v1/verify-batch](https://datacircle.dev/validate-email-apis/giggal/free-trial-post-v1-verify-batch): $0.00 per 1,000 emails
- [HiProspect, free](https://datacircle.dev/validate-email-apis/hiprospect/free): $0.00 per 1,000 emails
- [KaijuVerifier, free, POST /api/v1/jobs, Submit an async bulk job with the SMTP probe](https://datacircle.dev/validate-email-apis/kaijuverifier/free-free-post-api-v1-jobs): $0.00 per 1,000 emails
- [MailTester Ninja, free, No token](https://datacircle.dev/validate-email-apis/mailtester-ninja/free-no-token): $0.00 per 1,000 emails
- [ExactVerify, contact us, GET /v1/single](https://datacircle.dev/validate-email-apis/exactverify/free-get-v1-single#contact-us-get-v1-single): no price per 1,000 emails
- [Listclean, contact us, Custom volume, GET /verify/email/{email}](https://datacircle.dev/validate-email-apis/listclean/free-trial-get-verify-email-email#contact-us-custom-volume-get-verify-email-email): no price per 1,000 emails
- [MailVeri, contact us, Enterprise, POST /verify-mails/](https://datacircle.dev/validate-email-apis/mailveri/free-1000-free-credits-post-verify-mails#contact-us-enterprise-post-verify-mails): no price per 1,000 emails
- [Mailnjoy, €4 pack, 1,000 credits, POST /v2/unitary, Unitary validation (deep)](https://datacircle.dev/validate-email-apis/mailnjoy/free-200-free-credits-post-v2-unitary-unitary-validation-deep#4-pack-1000-credits-post-v2-unitary-unitary-validation-deep): no price per 1,000 emails
- [MyEmailVerifier, contact us, Custom Quote, GET /verifier/validate_single/{email}/{API_KEY}](https://datacircle.dev/validate-email-apis/myemailverifier/free-100-free-credits-daily-get-verifier-validate-single-email-api-key#contact-us-custom-quote-get-verifier-validate-single-email-api-key): no price per 1,000 emails
- [Renidly, $50 pack](https://datacircle.dev/validate-email-apis/renidly/50-pack): no price per 1,000 emails
- [Routee, top-up](https://datacircle.dev/validate-email-apis/routee/free#top-up): no price per 1,000 emails
- [RouterGrowth, top-up from $10](https://datacircle.dev/validate-email-apis/routergrowth/free#top-up-from-10): no price per 1,000 emails

Compare every email verification API plan: [Email verification API pricing: free and cheapest plans compared](https://datacircle.dev/email-verification-api-pricing)

## Phone validation API alternatives

On our [Kleber plan pages](https://datacircle.dev/validate-phone-apis/kleber/free), we compare each Kleber plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 phones first.

- [Foxentry, free trial, POST /phone/validate, Validate phone number (extended)](https://datacircle.dev/validate-phone-apis/foxentry/free-trial-post-phone-validate-validate-phone-number-extended): $0.00 per 1,000 phones
- [HLR Lookup, free, 200 free credits, POST /batches/{id}/sourcejson, Bulk uploads via API](https://datacircle.dev/validate-phone-apis/hlr-lookup/free-200-free-credits-post-batches-id-sourcejson): $0.00 per 1,000 phones
- [HLR Lookups, free, 100 free lookups, POST /hlr-lookups](https://datacircle.dev/validate-phone-apis/hlr-lookups/free-100-free-lookups-post-hlr-lookups): $0.00 per 1,000 phones
- [Infobip, free](https://datacircle.dev/validate-phone-apis/infobip/free): $0.00 per 1,000 phones
- [seven.io, free test credit, GET /api/lookup/hlr](https://datacircle.dev/validate-phone-apis/seven-io/free-test-credit-get-api-lookup-hlr): $0.00 per 1,000 phones
- [BudgetSMS, top-up, Pay per use, GET /hlr/, HLR lookup](https://datacircle.dev/validate-phone-apis/budgetsms/top-up-pay-per-use-get-hlr-hlr-lookup): no price per 1,000 phones
- [CheckNumber.AI, contact us, Custom plan, POST /v1/tasks, WhatsApp Advanced](https://datacircle.dev/validate-phone-apis/checknumber-ai/free-trial-post-v1-tasks-whatsapp-advanced#contact-us-custom-plan-post-v1-tasks-whatsapp-advanced): no price per 1,000 phones
- [ChinaDataPay, contact us](https://datacircle.dev/validate-phone-apis/chinadatapay/contact-us): no price per 1,000 phones
- [DNC.com, contact us, Contact sales, GET /v1.4/Data/RealTimeDisconnect](https://datacircle.dev/validate-phone-apis/dnc-com/contact-us-contact-sales-get-v1-4-data-realtimedisconnect): no price per 1,000 phones
- [Data247, $12 pack, Membership, GET /v3.0, Verify247 (Phone)](https://datacircle.dev/validate-phone-apis/data247/12-pack-membership-get-v3-0-verify247-phone): no price per 1,000 phones
- [Maytapi, contact us](https://datacircle.dev/validate-phone-apis/maytapi/free#contact-us): no price per 1,000 phones
- [SMSPartner, top-up](https://datacircle.dev/validate-phone-apis/smspartner/free#top-up): no price per 1,000 phones
- [Tamz, R$100 pack](https://datacircle.dev/validate-phone-apis/tamz/free#r-100-pack): no price per 1,000 phones

Compare every phone validation API plan: [Phone validation API pricing: free and cheapest plans compared](https://datacircle.dev/phone-validation-api-pricing)

## See also

- [Enrich.so alternatives](https://datacircle.dev/enrich-so-alternatives)
- [Giggal alternatives](https://datacircle.dev/giggal-alternatives)
- [HiProspect alternatives](https://datacircle.dev/hiprospect-alternatives)
- [KaijuVerifier alternatives](https://datacircle.dev/kaijuverifier-alternatives)
- [MailTester Ninja alternatives](https://datacircle.dev/mailtester-ninja-alternatives)
- [ExactVerify alternatives](https://datacircle.dev/exactverify-alternatives)
- [Listclean alternatives](https://datacircle.dev/listclean-alternatives)
- [MailVeri alternatives](https://datacircle.dev/mailveri-alternatives)